28447664

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 67995648

約数和(自身を除く): 39547984

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 67, 68, 112, 119, 134, 136, 223, 238, 268, 272, 446, 469, 476, 536, 892, 938, 952, 1072, 1139, 1561, 1784, 1876, 1904, 2278, 3122, 3568, 3752, 3791, 4556, 6244, 7504, 7582, 7973, 9112, 12488, 14941, 15164, 15946, 18224, 24976, 26537, 29882, 30328, 31892, 53074, 59764, 60656, 63784, 104587, 106148, 119528, 127568, 209174, 212296, 239056, 253997, 418348, 424592, 507994, 836696, 1015988, 1673392, 1777979, 2031976, 3555958, 4063952, 7111916, 14223832, 28447664]

約数ペア:

[(1, 28447664), (2, 14223832), (4, 7111916), (7, 4063952), (8, 3555958), (14, 2031976), (16, 1777979), (17, 1673392), (28, 1015988), (34, 836696), (56, 507994), (67, 424592), (68, 418348), (112, 253997), (119, 239056), (134, 212296), (136, 209174), (223, 127568), (238, 119528), (268, 106148), (272, 104587), (446, 63784), (469, 60656), (476, 59764), (536, 53074), (892, 31892), (938, 30328), (952, 29882), (1072, 26537), (1139, 24976), (1561, 18224), (1784, 15946), (1876, 15164), (1904, 14941), (2278, 12488), (3122, 9112), (3568, 7973), (3752, 7582), (3791, 7504), (4556, 6244)]